﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.OleDb;

namespace DAO
{
    public class Lop_DAO
    {
        static OleDbConnection c;
        public static DataTable loaddulieulop()
        {
            string sql = "select * from lop";
            c = DTP.ketnoi();
            DataTable dt = DTP.laydulieu(sql, c);
            DTP.dongketnoi(c);
            return dt;
        }
    }
}
